🔌 Interconnection Weekly: Project Updates You Need to Know (1/13/2025 - 1/19/2025)

26 projects moved in the interconnection queues across the country in the past week

This week, we saw the following updates to U.S. transmission grid interconnection projects. For access to our live dataset, contact our sales team here.

SANBORN HYBRID 3 — 1400MW battery + solar 🔋☀️ project in Kern, CA (CAISO). Proposed completion changed from March 14, 2025 to June 30, 2026

P2942 Genesee Data Center 1 MPC Load — 1000MW project in Parkland County, AB (AESO). Proposed completion changed from June 30, 2026 to December 31, 2026

Excelsior Energy Center — 280MW solar ☀️ project in Genesee County, NY (NYISO). Proposed completion changed from January 31, 2025 to October 31, 2026

Mayapple Solar, Olive-Reynolds #2 345 kV — 260MW solar ☀️ project in Pulaski County, IN (PJM). Proposed completion changed from June 29, 2023 to December 30, 2027

P2774 CastorNorth Solar Battery, P2774 CastorNorth Solar — 250MW battery + solar 🔋☀️ project in Special Area No 2, AB (AESO). Proposed completion changed from November 30, 2025 to November 30, 2027

P2418 Greencells Estuary Solar — 201MW solar ☀️ project in Special Area No 2, AB (AESO). Proposed completion changed from June 29, 2025 to January 30, 2027

P2778 Rich Valley Solar Battery, P2778 Rich Valley Solar — 200MW battery + solar 🔋☀️ project in Parkland County, AB (AESO). Proposed completion changed from November 30, 2025 to November 30, 2027

P2781 Lamoureux Solar Battery, P2781 Lamoureux Solar — 200MW battery + solar 🔋☀️ project in Strathcona County, AB (AESO). Proposed completion changed from November 30, 2025 to November 30, 2027

P2091 Arenosum Solar — 151MW solar ☀️ project in Special Area No 2, AB (AESO). Proposed completion changed from May 25, 2026 to May 25, 2027

P2520 Laramide MPC Battery — 150MW battery 🔋 project in Foothills County, AB (AESO). Proposed completion changed from November 30, 2025 to May 31, 2026

Woodridge Solar — 138MW solar ☀️ project in Albemarle County, VA (PJM). Proposed completion changed from September 30, 2026 to June 29, 2027

P2776 Legal Solar Battery, P2776 Legal Solar — 125MW battery + solar 🔋☀️ project in Athabasca County, AB (AESO). Proposed completion changed from November 30, 2025 to August 31, 2027

Aspen Road Solar — 100MW solar ☀️ project in Franklin County, PA (PJM). Proposed completion changed from March 6, 2025 to October 23, 2025

Ramsey East 138kV Substation — 100MW solar ☀️ project in Fayette County, IL (MISO). Proposed completion changed from August 31, 2023 to November 30, 2026

Squab Solar — 90MW solar ☀️ project in Jefferson County, PA (PJM). Proposed completion changed from December 30, 2025 to July 9, 2026

Frasier Solar, Sharp Road 69 kV — 80MW solar ☀️ project in Knox County, OH (PJM). Proposed completion changed from December 30, 2023 to January 30, 2028

Battery Storage — 75MW battery 🔋 project in New London County, CT (ISO-NE). Proposed completion changed from May 31, 2025 to May 31, 2028

Knoxville Solar — 51MW solar ☀️ project in Isle Of Wight County, VA (PJM). Proposed completion changed from June 29, 2025 to November 30, 2027

SOLAR STAR 4 — 24MW battery + solar 🔋☀️ project in Kern, CA (CAISO). Proposed completion changed from November 29, 2024 to July 31, 2025

P2259 FortisAlberta Metiskow 648S DER Solar — 22MW battery + solar 🔋☀️ project in Provost No 52, AB (AESO). Proposed completion changed from December 12, 2024 to November 29, 2026

Knoxville Solar — 20MW solar ☀️ project in Isle Of Wight County, VA (PJM). Proposed completion changed from June 29, 2025 to November 30, 2027

Knoxville Solar — 20MW solar ☀️ project in Isle Of Wight County, VA (PJM). Proposed completion changed from June 29, 2025 to November 30, 2027

Shamrock Energy Center, Reed-Reed Tap #1 69 kV — 20MW solar ☀️ project in Northumberland County, PA (PJM). Proposed completion changed from February 28, 2022 to January 31, 2027

Shamrock Energy Center, Reed-Reed Tap#1 69 kV — 20MW solar ☀️ project in Adams County, PA (PJM). Proposed completion changed from February 28, 2022 to January 31, 2027

P2945 Rocky Mountain House 262S DER Gas — 4MW gas 🔥 project in Clearwater County, AB (AESO). Proposed completion changed from February 28, 2025 to November 24, 2025

P2949 Suncor Base Plant GTG 6 Modification — gas 🔥 project in Regional Municipality Of Wood Buffalo, AB (AESO). Proposed completion changed from January 7, 2026 to June 9, 2025